RR-02 RR-02-02-03 — Track Warrant Control / Dark Territory
This process manages the control of track warrants in dark territories for train movements, ensuring safe and efficient operations while adhering to regulatory requirements.
🗺 BPMN Process Flow
Click diagram to zoom & pan • Scroll to zoom • Drag to pan • Download SVG
📋 Process Attributes
| Process ID | RR-02-02-03 |
|---|---|
| Domain Family | NETWORK & PLANNING |
| L1 Domain | Dispatching & Train Movement |
| L2 Process Group | Track Warrant Control / Dark Territory |
| Trigger | Initiation by a Train Dispatcher upon receiving a request for movement through a dark territory from a locomotive engineer or conductor. |
| Outcome | Successful completion results in the issuance of a valid track warrant allowing the train to safely traverse the specified dark territory. |
| Systems | NetControl CADx Wabtrax EHMS Machine Vision portals |
| Regulatory Hooks | 49 CFR Part 232 GCOR |
📋 L4 Process Steps
| Step | Name | Role | System | Input | Output | KPI | Pain Point / Risk | Decision? | Exception? |
|---|---|---|---|---|---|---|---|---|---|
| 1.1 | Receive Movement Request | Train Dispatcher | NetControl / CADx | Movement request from locomotive engineer or conductor | Acknowledgment of request in NetControl | Response time within 5 minutes | Delayed acknowledgment due to system overload | N | Y |
| 1.2 | Verify Track Conditions | Control Operator | Wabtrax / Wayside defect detector network | Track warrant request details | Track condition report | Accuracy of track condition report at 95% | Inaccurate or delayed track data | Y | N |
| 1.3 | Review Regulatory Compliance | Train Dispatcher | NetControl / CADx | Track condition report and warrant request | Regulatory compliance assessment | Compliance rate at 100% | Non-compliance with regulatory requirements | Y | Y |
| 1.4 | Issue Track Warrant | Train Dispatcher | NetControl / CADx | Regulatory compliance assessment | Issued track warrant | Warrant issuance time within 10 minutes | Delayed warrant issuance | N | Y |
| 1.5 | Confirm Warrant Receipt | Locomotive Engineer / Conductor | NetControl / CADx | Issued track warrant | Confirmation of receipt | Receipt confirmation within 2 minutes | Loss or miscommunication of warrant | N | Y |
| 1.6 | Conduct Pre-Movement Inspection | Car Inspector (Carman) | EHMS / Machine Vision portals | Track warrant details | Inspection report | Inspection completion rate at 90% | Inadequate inspection coverage | Y | N |
| 1.7 | Review Inspection Report | Train Dispatcher | NetControl / CADx | Inspection report | Inspection review summary | Review time within 5 minutes | Delayed or incomplete inspection reports | Y | Y |
| 1.8 | Clear Track for Movement | Control Operator | NetControl / CADx | Inspection review summary | Track cleared message | Clearance time within 3 minutes | Delayed track clearance | N | Y |
| 1.9 | Initiate Train Movement | Locomotive Engineer / Conductor | NetControl / CADx | Track cleared message and warrant | Movement initiation confirmation | Movement initiation time within 1 minute | Failed movement initiation | N | Y |
| 1.10 | Monitor Train Movement | Train Dispatcher | NetControl / CADx | Movement initiation confirmation | Continuous monitoring of train movement | Monitoring accuracy at 98% | Inaccurate or missed monitoring | Y | N |
| 1.11 | Update Track Warrant Status | Train Dispatcher | NetControl / CADx | Continuous monitoring of train movement | Updated track warrant status | Status update frequency at 5-minute intervals | Delayed or missed status updates | N | Y |
| 1.12 | Finalize Track Warrant Control | Train Dispatcher | NetControl / CADx | Updated track warrant status and final movement details | Finalized track warrant control record | Finalization time within 10 minutes of train arrival | Incomplete or inaccurate final records | N | Y |
📊 KPIs & Risk Register
KPIs
Response time within 5 minutes Accuracy of track condition report at 95% Compliance rate at 100% Warrant issuance time within 10 minutes Receipt confirmation within 2 minutes Inspection completion rate at 90% Review time within 5 minutes Clearance time within 3 minutes Movement initiation time within 1 minute Monitoring accuracy at 98% Status update frequency at 5-minute intervals Finalization time within 10 minutes of train arrival
Key Risks
Non-compliance with regulatory requirements Inaccurate or delayed track data Loss or miscommunication of warrant Inadequate inspection coverage Delayed or incomplete inspection reports Delayed track clearance Failed movement initiation Inaccurate or missed monitoring Delayed or missed status updates Incomplete or inaccurate final records
Swim Lanes
Train Dispatcher · 1.1, 1.3, 1.4, 1.7, 1.9, 1.10, 1.12 Control Operator · 1.2, 1.5, 1.8 Car Inspector (Carman) · 1.6